@article{233698,
      note = {"Map data compiled in 1985."},
      author = {Collett, T. S.},
      url = {http://library.usi.edu/record/233698},
      title = {Map showing the depth to the base of the deepest  ice-bearing permafrost as determined from well logs, North  Slope, Alaska /},
      publisher = {The Survey ;},
      recid = {233698},
      pages = {1 map ;},
      address = {Reston, Va. :},
      year = {1989},
}